Cable-stayed cable pe protective layer damage detection device, control circuit and control method thereof

Abstract

The invention discloses a cable stay cable PE protective layer damage detection device and its control circuit and control method. The device includes a crawling mechanism and an image acquisition device. The crawling motor drives the crawling mechanism to move up and down along the surface of the cable stay, and the rotating motor drives the camera. Rotate around the stay cable; the rotating motor and the crawling motor cooperate to rotate to realize the comprehensive image collection of the camera on the surface of the stay cable, and the microcontroller processes the image to obtain damage information, which is wirelessly transmitted to the ground terminal. The detection device is also equipped with a useful An acceleration sensor for obtaining position information and an ultrasonic sensor for detecting whether it has reached the top of the stay cable; beneficial effects: a camera collects images and processes them through a microcontroller, improving the real-time performance of the detection device; the wireless communication module only transmits damage position information And control instructions, reduce the amount of wireless transmission data, and facilitate construction personnel to confirm the accuracy of the cable stay test results.

Description

technical field [0001] The invention relates to a mechanical device capable of crawling on bridge cables and suspenders, especially a device capable of moving up and down on the surface of bridge cables and carrying related detection equipment to detect the surface conditions of bridge cables. Background technique [0002] With the rapid development of our society, there are more and more long-span bridges. Cable-stayed bridges and suspension bridges have become the widely used bridge types of modern long-span bridges. Long-term exposure to the air, the polyethylene (PE) protective layer on the surface of the stay cable is prone to damage to varying degrees, endangering the safety of the bridge. Therefore, it is necessary to regularly inspect and maintain bridge stay cables. At present, the bridge cable inspection robot developed in China has not been widely used in the industry due to its shortcomings such as heavy weight, low intelligence, and inconvenient use. In order ...

AI Technical Summary

Problems solved by technology

However, the detection device with this structure needs to transmit all the image data collected by the three cameras to the terminal device for processing. Not only the real-time performance of detection is not good, but also the amount of data to be transmitted is huge, and the burden of wireless communication is heavy. Moreover, the device Without the anti-shake structure of the camera, the blurred photos taken by the camera due to shaking during the detection process are not only useless but also occupy the wireless transmission module

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